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XUD9 Valve clearances
#1
OK, now I measured the valve clearances on my 1.9td Xsara. With the engine stone cold, some of the inlet valves do have 0.3 mm of clearance. The exhaust valves are all pretty much in spec. 


Now will this affect performance as the car does have a stage 1 tune and generally I try to keep it in good nick. It starts well, but at times it drops on performance suddenly then picks up as if nothing had happened. Its not air in the fuel lines or the injection pump.  It just feels weird as if the engine feels choked at times.

Could the "loose" valve clearances cause this? Is it even worth it, taking the cam out and adjusting the valve clearance? Something inside of me tells me that correcting that 0.15 mm difference will make sod all.
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Messages In This Thread
XUD9 Valve clearances - by johnny625 - 12-04-2020, 10:40 AM
RE: XUD9 Valve clearances - by Martin306 - 12-04-2020, 06:47 PM
RE: XUD9 Valve clearances - by johnny625 - 13-04-2020, 08:29 AM
RE: XUD9 Valve clearances - by welshpug - 13-04-2020, 04:34 PM
RE: XUD9 Valve clearances - by johnny625 - 13-04-2020, 05:04 PM
RE: XUD9 Valve clearances - by Mighty306 - 12-04-2021, 07:41 AM
RE: XUD9 Valve clearances - by ekjdm14 - 21-04-2021, 06:30 PM
RE: XUD9 Valve clearances - by johnny625 - 23-04-2021, 02:45 PM

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